lly pass at the back of the mould, otherwise it would become so hot that the newly-formed type could not cool soon enough to be jerked out. The spring in front holds in close proximity to the mould a copper matrix, such as has been described. The letter a, for instance, stamped in the matrix, sits… … TYPE WITH JET AND WITH FEET FORMED. whole alphabet.” In casting small founts, where frequent changes are made in the moulds, the machines are driven by hand power ; but when the founts are large, as in daily newspapers, steam is used as a motor, and the industrious little machines, with scarcely…
Printing · Color printing
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